[tracker/miner-extractor-ipc] tracker-extract: No metadata items isn't an error

[Philip Van Hoof <pvanhoof src gnome org>]

commit 3b513f4eaf611e1b96c5a19ced3192da06a0e610
Author: Philip Van Hoof <philip codeminded be>
Date:   Fri Feb 25 13:26:59 2011 +0100

    tracker-extract: No metadata items isn't an error

 src/tracker-extract/tracker-extract.c |   12 ++++++------
 1 files changed, 6 insertions(+), 6 deletions(-)
---
diff --git a/src/tracker-extract/tracker-extract.c b/src/tracker-extract/tracker-extract.c
index 4c2d502..76bde08 100644
--- a/src/tracker-extract/tracker-extract.c
+++ b/src/tracker-extract/tracker-extract.c
@@ -819,7 +819,6 @@ handle_method_call_get_metadata_fast (TrackerExtract        *object,
 		const gchar *uri = (const gchar *) uris[i];
 		const gchar *mime = (const gchar *) mimes[i];
 		TrackerSparqlBuilder *sparql, *preupdate;
-		gint len;
 
 		if (!priv->disable_shutdown) {
 			alarm (MAX_EXTRACT_TIME);
@@ -833,11 +832,8 @@ handle_method_call_get_metadata_fast (TrackerExtract        *object,
 		}
 
 		if (extracted) {
-			len = tracker_sparql_builder_get_length (sparql);
-		}
-
-		if (extracted && len > 0) {
 			const gchar *preupdate_str = NULL;
+			const gchar *sparql_str = NULL;
 
 			g_data_output_stream_put_byte (data_output_stream,
 			                               'r',
@@ -870,8 +866,12 @@ handle_method_call_get_metadata_fast (TrackerExtract        *object,
 				break;
 			}
 
+			if (tracker_sparql_builder_get_length (sparql) > 0) {
+				sparql_str = tracker_sparql_builder_get_result (sparql);
+			}
+
 			g_data_output_stream_put_string (data_output_stream,
-			                                 tracker_sparql_builder_get_result (sparql),
+			                                 sparql_str ? sparql_str : "",
 			                                 NULL,
 			                                 &error);